document.write( "Question 669021: one solar heating panel can raise the temperature of water 1° in 16 min . a second solar heating panel can raise the temperature 1° in 24min. how lond will it take to raise the temperature of the water 1° if both panels are operating?\r
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Algebra.Com's Answer #416062 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! one solar heating panel can raise the temperature of water 1° in 16 min. \n" ); document.write( " a second solar heating panel can raise the temperature 1° in 24 min. \n" ); document.write( " how long will it take to raise the temperature of the water 1° if both panels are operating? \n" ); document.write( ": \n" ); document.write( "let b = time required when both panels are operating \n" ); document.write( "let the completed job = 1 (raising the temp 1 degree) \n" ); document.write( ": \n" ); document.write( "A shared work equation \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( "multiply by 48 to clear the denominators, results: \n" ); document.write( "3b + 2b = 48 \n" ); document.write( "5b = 48 \n" ); document.write( "b = 48/5 \n" ); document.write( "b = 9.6 minutes working together \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "check this \n" ); document.write( "9.6/16 + 9.6/24 = \n" ); document.write( ".6 + .4 = 1 \n" ); document.write( " |